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// 2348. Number of Zero-Filled Subarrays
#include <stdio.h>
// given integer array 'nums', return number of subarrays filled with zero. a
// subarray is a contiguous non-empty sequence of elements from within an array
long long zeroFilledSubarray(int *nums, int nums_size) {
long long ans = 0;
for (int i = 0, j = 0; i < nums_size; ++i) {
if (nums[i] != 0)
j = i + 1;
ans += i - j + 1;
}
return ans;
}
int main() {
int n1[] = {1, 3, 0, 0, 2, 0, 0, 4};
int n2[] = {0, 0, 0, 2, 0, 0};
int n3[] = {2, 10, 2019};
printf("%lld\n", zeroFilledSubarray(n1, 8)); // expect: 6
printf("%lld\n", zeroFilledSubarray(n2, 6)); // expect: 9
printf("%lld\n", zeroFilledSubarray(n3, 3)); // expect: 0
}
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